发明名称 |
Method of recording scrambled digital data, storage medium and method of reading such data |
摘要 |
The method of recording scrambled digital data comprising the steps consisting in: (a) receiving a scrambled digital data stream; (b) identifying in the data stream a control packet (ECM) containing at least one key (CW) for descrambling at least a part of the data of the stream; (c) storing the control packet in a table; and (d) recording the data stream and the said table on a data storage medium. <??>A storage medium and a method of reading the recorded data are also proposed. <IMAGE>
|
申请公布号 |
EP1447983(A1) |
申请公布日期 |
2004.08.18 |
申请号 |
EP20040100220 |
申请日期 |
2004.01.22 |
申请人 |
THOMSON LICENSING S.A. |
发明人 |
DIASCORN, JEAN-LOUIS;ABELARD, FRANCK;VIAL, JEAN-FRANCOIS;DIEHL, ERIC |
分类号 |
H04N5/91;G11B20/00;G11B20/10;G11B27/10;H04L9/08;H04N5/781;H04N5/783;H04N5/913;H04N7/167;H04N9/804;(IPC1-7):H04N7/16;G11B27/32 |
主分类号 |
H04N5/91 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|